674453805 has 16 divisors (see below), whose sum is σ = 1079643264. Its totient is φ = 359536320.

The previous prime is 674453749. The next prime is 674453809. The reversal of 674453805 is 508354476.

It is not a de Polignac number, because 674453805 - 2⁹ = 674453293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674453809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25512 + ... + 44718.

It is an arithmetic number, because the mean of its divisors is an integer number (67477704).

Almost surely, 2^674453805 is an apocalyptic number.

It is an amenable number.

674453805 is a deficient number, since it is larger than the sum of its proper divisors (405189459).

674453805 is a wasteful number, since it uses less digits than its factorization.

674453805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21556.

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 674453805 is about 25970.2484585727. The cubic root of 674453805 is about 876.9686525991.

The spelling of 674453805 in words is "six hundred seventy-four million, four hundred fifty-three thousand, eight hundred five".